In 2000 Baker published his memoirs, Director's Cut: A Memoir of 60 Years in Film, and in 2002 sold his production files and letters at auction.

He contributed interviews to several DVD extras, such as the extras included with The Saint and Randall & Hopkirk - Deceased and took part in the 2007 BBC 2 documentary series British Film Forever, and in Mark Gatiss's October 2010 BBC 4 series, A History of Horror, in which he gave his final recorded interview.